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Test Code MARP mecA, Molecular Detection, PCR, Varies

Biohazard Infectious

Shipping Instructions

1. See Infectious Specimen Shipping Guidelines in Special Instructions for shipping information.

2. Place specimen in a large infectious container (T146) and label as an etiologic agent/infectious substance.

Necessary Information

Organism identification and specimen source are required.

Specimen Required

Supplies: Infectious Container, Large (T146)

Collection Container/Tube: Agar slant or other appropriate media

Specimen Volume: Organism in pure culture

Collection Instructions:

1. Perform isolation of bacteria.

2. Organism must be in pure culture, actively growing. Do not submit mixed cultures.

Useful For

Detection of mecA in staphylococcal bacterial isolates


Evaluation of treatment options when oxacillin or cefoxitin breakpoints are unavailable (eg, some Staphylococcus species, not S aureus)


Prediction of antimicrobial resistance when bacterial growth is inadequate for phenotypic antimicrobial susceptibility testing (eg, staphylococcal small colony variants; SCVs)


Assessment of discrepancies between cefoxitin and oxacillin phenotypic testing results

Method Name

Real-Time Polymerase Chain Reaction (PCR) Using LightCycler with Amplified Product Detection Using Fluorescent Resonance Energy Transfer (FRET) Hybridization Probes

Reporting Name

mecA PCR

Specimen Type


Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Ambient (preferred)

Reference Values

Not applicable

Day(s) and Time(s) Performed

Monday through Friday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information



LOINC Code Information

Test ID Test Order Name Order LOINC Value
MARP mecA PCR 48813-0


Result ID Test Result Name Result LOINC Value
MASRC Specimen Source 39111-0
MAORG Organism Identified by Client 43409-2
607725 mecA PCR 48813-0